How To Attach Rigid Insulation To Concrete Wall. Trimming panels around obstacles and at the ends of walls requires only a sharp utility knife or a slim, handheld drywall saw. I read where fernando ruiz from omaha uses z furring that is how we insulate a standard masonry wall.
The concrete should be dry and free from cracks before installing foam insulation boards.
Installing rigid foam insulation at slabs and foundations. Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants consider insulating the foundation walls using exterior rigid insulation, insulated concrete forms, or prefabricated panels. If your surface has cracks, cover those. How to fasten wood to concrete.